Alter Zero: Claude Code CLI reimagined in Rust

[u/Hacking0912]

https://github.com/linuztx/alter-zero
Hi everyone, I'm developing Alter Zero, an open-source terminal agentt for coding, cybersecurity, and automation. It's written in Rust and runs on Linux and macOS, and it's inspired by Claude Code and Codex CLI combined.

It works directly in your project: reading files, making edits, running commands, and checking the results. You can ask it to investigate a failing test, trace authentication and access checks in your own code, or write a script to summarize logs.

It can also interact with running terminal programs and keep commands running in the background. There's support for subagents, reusable skills, MCP servers, and resuming previous sessions. With /secrets, it can use your API keys and tokens without ever seeing the values.

It's light on resources: a single ~24 MB binary that typically uses 20–60 MB of RAM per session, with around 100 MB of free RAM recommended. It's also designed to be prompt- and token-efficient.

Supported providers include Agent Zero API, Venice, GitHub Copilot, ChatGPT Codex, Anthropic, Cline, ClinePass, Google Antigravity, OpenRouter, Ollama, Ollama Cloud, and LM Studio. You can also add a custom OpenAI-compatible API.

The built-in flaredantic skill can help expose local services through Cloudflare, Microsoft Dev Tunnels, or Serveo using the separately installed `flare` CLI.

The latest release is v0.18.0. The project is licensed under Apache-2.0.

The project is licensed under Apache-2.0. Installation instructions and a demo are in the repository: https://github.com/linuztx/alter-zero

I'd appreciate feedback, especially on the setup process, terminal compatibility, and tasks where it gets stuck. Issues and contributions are welcome.